The hefty investments required in renewable energy sectors such as solar and wind energy need to be made between now and 2030, the report, which was co-written by research group New Energy Finance, said.

"Clean energy opportunities have the potential to generate significant economic returns," the World Economic Forum said in a statement accompanying the report.

Clean energy investments were $155 billion last year, up from $30 billion in 2004 but still far below the $515 billion the report's authors say is needed to combat climate change.

We need to convince the Democratic majority in congress that it is necessary to move now. Republicons are be lead by the drug addled delusions of Rush Limbaugh. Republicons are the problem. They should not be consulted for a solution.